<!DOCTYPE html>
<html lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
    <title>Login</title>
</head>
<body>
<form action="${pageContext.request.contextPath}/login" method="post">
    用户名：<input name="username" type="text"/><br/>
    密码：<input name="password" type="password"/>
    <input type="submit" value="登录"/>
</form>
</body>
</html>